Air valve stator press-fitting mechanism

Abstract

The utility model relates to an air valve stator press-fitting mechanism which comprises a supporting frame, the supporting frame is sequentially provided with a press-fitting assembly, a coil assembly and a fixing assembly from top to bottom, the fixing assembly is used for fixing a rotor of an air valve, and the press-fitting assembly is used for press-fitting a stator of the air valve into the rotor of the fixing assembly. The fixing assembly comprises a fixing frame and a fixing plate located below the fixing frame, the fixing frame is connected with the supporting frame, a carrier used for fixing the rotor is arranged at the top end of the fixing frame, and the fixing plate is connected with the fixing frame. A pneumatic displacement sensor used for measuring the internal displacement value of the rotor is arranged on the fixing plate, and the sensing end of the pneumatic displacement sensor can extend into the rotor. The mechanism is high in press-fitting precision and capable of monitoring the press-fitting effect.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing equipment, in particular to a stator pressing mechanism for an air valve. Background Art

[0002] The existing stator pressing mechanism includes a jig and a pressing mechanism. First, the rotor of the air valve is fixed in the jig, then the stator of the air valve is fixed on the pressing mechanism, and then the stator is directly installed into the rotor through the pressing mechanism. Since a certain clearance value is required between the stator and the rotor after the air valve is pressed, this equipment cannot meet the requirement for the accuracy of the clearance value, and at the same time, it cannot monitor the pressing effect of the stator. Content of the Utility Model

[0003] Based on this, a stator pressing mechanism for an air valve is provided, which has high pressing accuracy and can monitor the pressing effect.

[0004] A stator pressing mechanism for an air valve includes a support frame. A pressing component, a coil component and a fixing component are sequentially arranged on the support frame from top to bottom. The fixing component is used to fix the rotor of the air valve, the pressing component is used to press the stator of the air valve into the rotor of the fixing component, and the coil component is used to sleeved on the rotor of the fixing component and conduct electricity.

[0005] The fixing component includes a fixing frame and a fixing plate located below the fixing frame. The fixing frame is connected to the support frame. A carrier for fixing the rotor is arranged at the top end of the fixing frame. The fixing plate is connected to the fixing frame. A pneumatic displacement sensor for measuring the internal displacement value of the rotor is arranged on the fixing plate, and the sensing end of the pneumatic displacement sensor can extend into the interior of the rotor.

[0006] The above-mentioned stator pressing mechanism for an air valve is composed of a pressing component, a coil component and a fixing component. First, the rotor of the air valve is fixed in the carrier of the fixing component, so that the sensing rod of the pneumatic displacement sensor is located at the bottom end inside the rotor. Then, the stator of the air valve is sucked into the pressing component. The coil component moves downward to press the rotor tightly in the carrier and makes the coil sleeved on the rotor. Then, the stator is pressed into the rotor through the pressing component. The displacement value of the rotor is measured by the pneumatic displacement sensor. The coil component is electrified, and the pneumatic displacement sensor can measure the clearance between the stator and the rotor, and obtain the displacement value of the second pressing of the pressing component, so as to press the stator to a precise position and ensure the clearance value between the stator and the rotor. By arranging a pneumatic displacement sensor on the fixing component, the pressing accuracy is greatly improved, and the pressing effect can also be monitored.

[0007] In one embodiment, the pressing assembly of the air valve stator pressing mechanism includes a support plate, a first lifting drive mechanism, and a fixed seat. The first lifting drive mechanism is installed at the top of the support frame, and the drive end of the first lifting drive mechanism is connected to the support plate. The support plate is sleeved on the support frame and is in sliding fit with the support frame. The fixed seat is installed at the bottom of the support plate, and a suction assembly is arranged on the fixed seat. The first lifting drive mechanism is used to drive the suction assembly on the fixed seat to press the stator into the rotor.

[0008] In one embodiment, the first lifting drive mechanism of the air valve stator pressing mechanism is an electric cylinder.

[0009] In one embodiment, the suction assembly of the air valve stator pressing mechanism includes a suction head, a vacuum extraction pipe, and a vacuum extraction machine. The vacuum extraction machine is connected to the vacuum extraction pipe, and the vacuum extraction pipe is connected to the suction head. The vacuum extraction machine is used to drive the suction head to suck the stator.

[0010] In one embodiment, photoelectric sensors for detecting whether a stator is placed on the suction assembly are symmetrically arranged on the fixed seat of the air valve stator pressing mechanism.

[0011] In one embodiment, the coil assembly of the air valve stator pressing mechanism includes a frame body, a second lifting drive mechanism, a fixed bracket, and a jig. The frame body is installed on the support frame, the second lifting drive mechanism is installed at the top of the frame body, the drive end of the second lifting drive mechanism is connected to the fixed bracket, the fixed bracket is in sliding fit with the frame body, the jig is installed on the fixed bracket, and the jig is used to fix the coil. The rotor on the carrier can pass through the fixed bracket and extend into the coil.

[0012] In one embodiment, a limiting assembly for limiting the coil assembly is arranged in the support frame of the air valve stator pressing mechanism. The limiting assembly includes a limiting portion and a limiting column. The limiting column is installed on the support frame, and the limiting portion is installed at one end of the fixed bracket. The position of the limiting column corresponds to the position of the limiting portion.

[0013] In one embodiment, the second lifting drive mechanism of the air valve stator pressing mechanism is a cylinder.

[0014] In one embodiment, a displacement sensor for measuring the displacement value between the support plate and the fixed frame is arranged at one end of the fixed frame of the air valve stator pressing mechanism.

[0015] The beneficial effects of this application are:

[0016] The present application provides an air valve stator pressing mechanism, which consists of a pressing assembly, a coil assembly, and a fixing assembly. First, the rotor of the air valve is fixed in the carrier of the fixing assembly, so that the sensing rod of the pneumatic displacement sensor is located at the bottom inside the rotor. Then, the stator of the air valve is sucked into the pressing assembly. The coil assembly moves downward to press the rotor tightly in the carrier and sleuth the coil on the rotor. Then, the stator is pressed into the rotor through the pressing assembly. The displacement value of the rotor is measured by the pneumatic displacement sensor. When the coil assembly is powered on, the pneumatic displacement sensor can measure the gap between the stator and the rotor, and obtain the displacement value of the second pressing of the pressing assembly, so as to press the stator to a precise position and ensure the gap value between the stator and the rotor. By setting the pneumatic displacement sensor on the fixing assembly, the pressing accuracy is greatly improved, and the pressing effect between the stator and the rotor can also be monitored. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the air valve stator pressing mechanism according to an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the fixing assembly of the air valve stator pressing mechanism according to an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the pressing assembly of the air valve stator pressing mechanism according to an embodiment of the present application;

[0020] Figure 4 is a schematic diagram of the coil assembly of the air valve stator pressing mechanism according to an embodiment of the present application;

[0021] Wherein:

[0022] 1. Support frame; 2. Pressing assembly; 3. Coil assembly; 4. Fixing assembly; 5. Rotor; 6. Stator; 7. Coil; 41. Fixing frame; 42. Fixing plate; 43. Carrier; 44. Pneumatic displacement sensor; 45. Displacement sensor; 21. Support plate; 22. First lifting drive mechanism; 23. Fixing seat; 24. Suction assembly; 25. Photoelectric sensor; 31. Frame body; 32. Second lifting drive mechanism; 33. Fixing bracket; 34. Fixture; 35. Limiting part; 11. Limiting column. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be made with reference to the accompanying drawings.

[0024] As Figure 1As shown in the figure, an embodiment of the present application provides an air valve stator pressing mechanism, which includes a support frame 1. A pressing assembly 2, a coil assembly 3, and a fixing assembly 4 are sequentially arranged on the support frame 1 from top to bottom. The fixing assembly 4 is used to fix the mover 5 of the air valve, the pressing assembly 2 is used to press-fit the stator 6 of the air valve into the mover 5 of the fixing assembly 4, and the coil assembly 3 is used to sleeve on the mover 5 of the fixing assembly 4 and be energized.

[0025] As Figure 2 shown, the fixing assembly 4 includes a fixing frame 41 and a fixing plate 42 located below the fixing frame 41. The fixing frame 41 is connected to the support frame 1. A carrier 43 for fixing the mover 5 is arranged at the top of the fixing frame 41. The fixing plate 42 is connected to the fixing frame 41. A pneumatic displacement sensor 44 for measuring the internal displacement value of the mover 5 is arranged on the fixing plate 42. The sensing end of the pneumatic displacement sensor 44 can extend into the interior of the mover 5.

[0026] Specifically, the air valve stator pressing mechanism is composed of a pressing assembly 2, a coil assembly 3, and a fixing assembly 4. First, the mover 5 of the air valve is fixed in the carrier 43 of the fixing assembly 4, so that the sensing end of the pneumatic displacement sensor 44 is located at the bottom end inside the mover 5. Then, the stator 6 of the air valve is sucked into the pressing assembly 2. The coil assembly 3 moves downward to press the mover 5 tightly in the carrier 43 and sleave the coil 7 on the mover 5.

[0027] The pressing process of this mechanism is as follows:

[0028] First, a preset pressing displacement value is set for the pressing assembly 2. The pressing assembly 2 presses the stator 6 into the mover 5, and the components inside the mover 5 are pressed tightly on the pneumatic displacement sensor 44. Then, the coil 7 of the coil assembly 3 is started, and the components inside the mover 5 are pressed tightly against the stator 6. Thus, the pneumatic displacement sensor 44 measures the current gap value between the stator 6 and the mover 5. Assuming that a gap value of 1 mm needs to be maintained between the stator 6 and the mover 5, the final displacement value is obtained by subtracting 1 mm from the gap value and then adding the pressing displacement value. The coil 7 of the coil assembly 3 is turned off, and the pressing assembly 2 presses the stator 6 a second time according to the final displacement value to press the stator 6 into the precise position inside the mover 5. Then, by starting the coil 7, the pneumatic displacement sensor 44 measures whether the gap value between the stator 6 and the mover 5 is about 1 mm.

[0029] In the above structure, by setting the pneumatic displacement sensor 44 on the fixing assembly 4, the pressing accuracy is greatly improved, and the specific pressing effect can also be monitored.

[0030] As Figure 3As shown, in one embodiment, the pressing assembly 2 of the air valve stator pressing mechanism includes a support plate 21, a first lifting drive mechanism 22, and a fixed seat 23. The first lifting drive mechanism 22 is installed at the top of the support frame 1. The drive end of the first lifting drive mechanism 22 is connected to the support plate 21. The support plate 21 is sleeved on the support frame 1 and is in sliding fit with the support frame 1. The fixed seat 23 is installed at the bottom of the support plate 21. A suction assembly 24 is arranged on the fixed seat 23. The first lifting drive mechanism 22 is used to drive the suction assembly 24 on the fixed seat 23 to press the stator 6 onto the rotor 5.

[0031] As Figure 3 shown, in one embodiment, the first lifting drive mechanism 22 of the air valve stator pressing mechanism is an electric cylinder. This setting facilitates driving the suction assembly 24 to drive the stator 6 for pressing.

[0032] As Figure 3 shown, in one embodiment, the suction assembly 24 of the air valve stator pressing mechanism includes a suction head, a vacuum extraction tube, and a vacuum extraction machine. The vacuum extraction machine is connected to the vacuum extraction tube, and the vacuum extraction tube is connected to the suction head. The vacuum extraction machine is used to drive the suction head to suck the stator 6.

[0033] Specifically, when the photoelectric sensor 25 senses the stator 6, the vacuum extraction machine evacuates the suction head, thereby sucking the stator 6 onto the suction head. After pressing the stator 6 onto the rotor 5, the vacuum extraction machine is turned off, and the suction head releases the stator 6. This setting facilitates sucking and pressing the stator 6.

[0034] As Figure 3 shown, in one embodiment, photoelectric sensors 25 for detecting whether the stator 6 is placed on the suction assembly 24 are symmetrically arranged on the fixed seat 23 of the air valve stator pressing mechanism.

[0035] Specifically, the photoelectric sensor 25 is used to detect whether the stator 6 is placed on the suction assembly 24. If the stator 6 is placed, a signal to turn on the vacuum extraction is transmitted. This device facilitates timely sending of the vacuum extraction signal to firmly suck the stator 6 on the suction assembly 24.

[0036] As Figure 4 shown, in one embodiment, the coil assembly 3 of the air valve stator pressing mechanism includes a frame body 31, a second lifting drive mechanism 32, a fixed bracket 33, and a fixture 34. The frame body 31 is installed on the support frame 1. The second lifting drive mechanism 32 is installed at the top of the frame body 31. The drive end of the second lifting drive mechanism 32 is connected to the fixed bracket 33. The fixed bracket 33 is in sliding fit with the frame body 31. The fixture 34 is installed on the fixed bracket 33. The fixture 34 is used to fix the coil 7. The rotor 5 on the carrier 43 can pass through the fixed bracket 33 and extend into the coil 7.

[0037] Specifically, the second lifting drive mechanism 32 drives the fixed bracket 33 to drive the coil 7 in the jig 34 to move downward onto the carrier 43, so that the coil 7 is sleeved on the mover 5, and the mover 5 is pressed into the carrier 43. This setting facilitates pressing the mover 5 onto the carrier 43 and also facilitates starting the mover 5.

[0038] As Figure 4 shown, in one embodiment, a limiting component for limiting the coil assembly 3 is provided in the support frame 1 of the air valve stator pressing mechanism. The limiting component includes a limiting portion 35 and a limiting post 11. The limiting post 11 is installed on the support frame 1, and the limiting portion 35 is installed at one end of the fixed bracket 33. The position of the limiting post 11 corresponds to the position of the limiting portion 35.

[0039] Specifically, when the second lifting drive mechanism 32 drives the jig 34 to drive the coil 7 to be pressed onto the carrier 43 and the mover 5, the limiting post 11 of the limiting component will limit the limiting portion 35. This setting can play a buffering role for the carrier 43 and the mover 5.

[0040] As Figure 4 shown, in one embodiment, the second lifting drive mechanism 32 of the air valve stator pressing mechanism is a cylinder. This setting facilitates driving the fixed bracket 33 to drive the coil 7 to move up and down.

[0041] As Figure 2 shown, in one embodiment, a displacement sensor 45 for measuring the displacement value between the measurement support plate 21 and the fixed frame 41 is provided at one end of the fixed frame 41 of the air valve stator pressing mechanism. This setting facilitates the staff to timely check the moving distance of the pressing mechanism to the fixed component 4.

[0042] The above embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An air valve stator press-fitting mechanism, characterized in that: The invention comprises a support frame (1), wherein the support frame (1) is provided with a press-fitting assembly (2), a coil assembly (3) and a fixing assembly (4) in order from top to bottom, wherein the fixing assembly (4) is used to fix a mover (5) of an air valve, the press-fitting assembly (2) is used to press-fit a stator (6) of the air valve into the mover (5) of the fixing assembly (4), and the coil assembly (3) is used to be sleeved on the mover (5) of the fixing assembly (4) and energized; The fixing assembly (4) comprises a fixing frame (41) and a fixing plate (42) located below the fixing frame (41); the fixing frame (41) is connected to the supporting frame (1); a carrier (43) for fixing the mover (5) is arranged at the top of the fixing frame (41); the fixing plate (42) is connected to the fixing frame (41); a pneumatic displacement sensor (44) for measuring the internal displacement value of the mover (5) is arranged on the fixing plate (42); and a sensing end of the pneumatic displacement sensor (44) can extend into the interior of the mover (5).

2. The air valve stator press-fitting mechanism according to claim 1, characterized in that: The press-fitting assembly (2) comprises a support plate (21), a first lifting drive mechanism (22) and a fixed seat (23); the first lifting drive mechanism (22) is mounted on the top of the support frame (1); a driving end of the first lifting drive mechanism (22) is connected to the support plate (21); the support plate (21) is sleeved on the support frame (1) and slidably cooperates with the support frame (1); the fixed seat (23) is mounted on the bottom of the support plate (21); a suction assembly (24) is provided on the fixed seat (23); the first lifting drive mechanism (22) is used to drive the suction assembly (24) on the fixed seat (23) to press-fit the stator (6) into the mover (5).

3. The air valve stator press-fitting mechanism according to claim 2, characterized in that: The first lifting drive mechanism (22) is an electric cylinder.

4. The air valve stator press-fitting mechanism according to claim 2, characterized in that: The suction assembly (24) comprises a suction head, a vacuum tube and a vacuum pump, wherein the vacuum pump is connected to the vacuum tube, the vacuum tube is connected to the suction head, and the vacuum pump is used to drive the suction head to suck the stator (6).

5. The air valve stator press-fitting mechanism according to claim 2, characterized in that: The fixing seat (23) is symmetrically provided with a photoelectric sensor (25) for detecting whether the stator (6) is placed on the suction component (24).

6. The air valve stator press-fitting mechanism according to claim 1, characterized in that: The coil assembly (3) comprises a frame (31), a second lifting drive mechanism (32), a fixed bracket (33) and a fixture (34); the frame (31) is mounted on a support frame (1); the second lifting drive mechanism (32) is mounted on the top of the frame (31); the driving end of the second lifting drive mechanism (32) is connected to the fixed bracket (33); the fixed bracket (33) and the frame (31) are slidably matched; the fixture (34) is mounted on the fixed bracket (33); the fixture (34) is used to fix the coil (7); and the mover (5) on the carrier (43) can pass through the fixed bracket (33) and extend into the coil (7).

7. The air valve stator press-fitting mechanism according to claim 6, characterized in that: A limiting assembly for limiting the position of the coil assembly (3) is arranged in the support frame (1), the limiting assembly comprising a limiting portion (35) and a limiting column (11), the limiting column (11) being mounted on the support frame (1), the limiting portion (35) being mounted on one end of the fixed bracket (33), and the position of the limiting column (11) corresponding to the position of the limiting portion (35).

8. The air valve stator press-fitting mechanism according to claim 6, characterized in that: The second lifting drive mechanism (32) is a cylinder.

9. The air valve stator press-fitting mechanism according to claim 2, characterized in that: A displacement sensor (45) for measuring the displacement value between the support plate (21) and the fixed frame (41) is provided at one end of the fixed frame (41).

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